HeadSpin has closed a $20 million Series B, valuing the provider of mobile application performance software at $500 million. New investors ICONIQ Capital, Battery Ventures and EQT Ventures participated in the funding round, as well as existing backers GV, Telstra Ventures, Danhua Capital, Nexus Ventures Partners and NextWorld Capital. The company emerged from stealth last year with Manish Lachwani at the helm. Lachwani was the former principal architect of the Amazon Kindle, chief technology officer of mobile gaming company Zynga and co-founder and chief technology officer of Google-acquired Appurify, […]